Write ICF for Cerberal palsy Structural impairments with clinical reasoning
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ICF cerebral palsy body structures impairments clinical reasoning WHO
ICF: Cerebral Palsy - Structural Impairments With Clinical Reasoning
Health condition: Cerebral palsy (CP)
CP is a non-progressive injury or disturbance of the developing brain. Although the original brain lesion does not worsen, secondary musculoskeletal changes can progress as the child grows.
CP is a non-progressive injury or disturbance of the developing brain. Although the original brain lesion does not worsen, secondary musculoskeletal changes can progress as the child grows.
In the ICF, a structural impairment is an anatomical problem involving a body part, such as a brain lesion, altered muscle-tendon length, joint deformity, or hip displacement. The WHO ICF framework distinguishes these from body-function impairments, activity limitations, and participation restrictions.
| ICF body structure | Likely structural impairment in CP | Clinical reasoning and functional relevance |
|---|---|---|
| s110 Structure of brain | Injury or abnormal development affecting motor areas, corticospinal tracts, basal ganglia, cerebellum, or periventricular white matter | The site and extent of brain involvement influence CP subtype. Corticospinal involvement commonly produces spasticity and weakness; basal-ganglia injury may produce dystonia/dyskinesia; cerebellar involvement contributes to ataxia. This primary lesion is static, but its consequences change with growth and development. |
| s730 Upper extremity structure | Altered alignment of scapula, shoulder, elbow, forearm, wrist, hand and thumb, especially in hemiplegic CP | Persistent asymmetric muscle pull can lead to shoulder internal rotation, elbow flexion, forearm pronation, wrist flexion/ulnar deviation, thumb-in-palm posture and fixed contractures. These reduce reach, grasp, release, bilateral hand use, dressing, feeding and school tasks. |
| s750 Lower extremity structure | Hip, femur, knee, tibia, ankle and foot malalignment | Muscle imbalance and abnormal loading may cause hip adduction/flexion deformity, femoral anteversion, knee flexion contracture, tibial torsion, equinus, varus/valgus foot, or planovalgus. These alter gait efficiency, standing balance, transfers, footwear tolerance and mobility. |
| s75011 Hip joint | Hip subluxation or dislocation; acetabular dysplasia; proximal femoral deformity | Spasticity or dystonia in hip adductors and flexors, combined with weak abductors and reduced weight bearing, can progressively displace the femoral head. Risk is greater in non-ambulant children. Hip displacement may cause pain, difficulty with sitting, perineal hygiene, sleep and transfers. |
| s75021 Knee joint | Knee flexion contracture, patella alta, torsional malalignment | Persistent hamstring overactivity/shortening and crouched posture may lead to fixed knee flexion. This increases energy expenditure during walking, reduces standing stability and may cause anterior knee pain. |
| s75023 Ankle and foot structures | Equinus, equinovarus, calcaneovalgus, pes planovalgus, fixed foot deformity | Calf-muscle shortening and imbalance between invertors/evertors can change foot alignment. A fixed equinus prevents heel contact and may cause toe walking, instability, poor foot clearance or difficulty wearing orthoses and shoes. |
| s760 Structure of trunk | Scoliosis, kyphosis, pelvic obliquity, trunk asymmetry | Poor trunk control, asymmetric tone, hip displacement and prolonged asymmetric sitting can contribute to spinal deformity. Consequences include impaired sitting, pain, pressure injury risk, reduced respiratory mechanics and difficulty with care. |
| s770 Additional musculoskeletal structures related to movement | Muscle-tendon shortening, contracture, altered muscle architecture, reduced muscle bulk, reduced bone mineral density | Reduced selective motor control and abnormal muscle activation limit normal muscle growth. Muscles may become short relative to bone growth, causing contractures. Low mobility and reduced weight bearing can decrease bone density and increase fracture risk. |
| s810 Areas of skin | Pressure areas, skin breakdown or callus formation secondary to deformity, seating and orthoses | Immobility, abnormal bony prominences, poorly fitted seating systems and orthoses may create focal pressure. Inspect skin routinely, especially over sacrum, ischial tuberosities, heels and orthosis contact points. |
| s320 Structure of mouth / s330 pharynx | Structural orofacial malalignment, dental malocclusion, altered oral-motor structures | Abnormal tone and poor oral-motor control may contribute to malocclusion, drooling and feeding difficulties. Examine oral structure and function when there are concerns about chewing, swallowing, speech or dental health. |
Clinical-reasoning summary
-
Identify the CP motor type and distribution.
Spastic hemiplegia often has unilateral upper-limb and lower-limb asymmetry. Spastic diplegia commonly affects both lower limbs, with crouch gait, equinus and hip problems. Dyskinetic CP may have variable posture and a high risk of deformity due to dystonia. Severe quadriplegic CP has greater risk of scoliosis, hip displacement, contractures and low bone density. -
Separate primary and secondary impairments.
- Primary structural impairment: non-progressive brain lesion.
- Secondary structural impairments: contractures, torsional deformities, hip displacement, scoliosis and foot deformities. These can progress and should be monitored.
-
Link structure to function.
Do not document a deformity alone. Record what it changes clinically. For example:
“Fixed ankle plantar-flexion contracture limits heel contact in stance, causes toe walking, reduces stability and makes ankle-foot orthosis fitting difficult.” -
Assess whether the problem is dynamic or fixed.
A posture that corrects passively may be mainly dynamic, related to spasticity/dystonia or poor motor control. A restriction that remains despite slow passive movement suggests a fixed muscle-tendon contracture or bony deformity. This distinction guides management. -
Monitor growth-related progression.
Increased growth velocity can worsen muscle-tendon mismatch and contracture. Reassess joint range, posture, gait, hip status, spinal alignment, pain, seating and orthosis fit at regular intervals. -
Screen for red flags.
New hip pain, reduced hip abduction, loss of sitting tolerance, rapid scoliosis progression, sudden functional decline, recurrent fractures, or new pressure injury need prompt multidisciplinary assessment.
Example ICF documentation
s110 Structure of brain: impairment due to non-progressive periventricular white-matter injury, consistent with spastic diplegic CP.
s75011 Hip joint: bilateral limited hip abduction with suspected progressive displacement, likely related to adductor overactivity, reduced active abductor control and limited weight bearing.
s75023 Ankle and foot structures: bilateral plantar-flexor muscle-tendon shortening with dynamic equinus, limiting heel strike and contributing to unstable gait.
s760 Structure of trunk: mild pelvic obliquity and early thoracolumbar scoliosis, likely associated with asymmetric sitting and reduced trunk control.
Clinical impact: structural impairments contribute to difficulty walking long distances, transfers, dressing, maintaining sitting posture and participation in play/school mobility.
The medical-library search did not yield a focused CP rehabilitation chapter. Recent systematic reviews identified vision-related impairment in CP, but do not alter this general structural-impairment framework (Crotti et al., 2024, PMID 38016876).
Write point wise
ICF for Cerebral Palsy: Structural Impairments
1. Structure of brain - s110
- Non-progressive injury to the developing brain.
- May involve:
- Motor cortex
- Corticospinal tracts
- Basal ganglia
- Cerebellum
- Periventricular white matter
- Clinical reasoning: Location of brain injury determines type of motor problem:
- Corticospinal injury: spasticity, weakness, poor selective movement.
- Basal-ganglia injury: dystonia and involuntary movements.
- Cerebellar injury: ataxia and poor coordination.
2. Structure of shoulder, arm and hand - s730
- Shoulder internal-rotation deformity.
- Elbow flexion contracture.
- Forearm pronation deformity.
- Wrist flexion and ulnar deviation.
- Thumb-in-palm deformity.
- Hand/finger contractures.
- Clinical reasoning: Persistent abnormal muscle pull and reduced active movement can cause shortening and fixed deformity. This affects reaching, grasping, releasing objects, dressing, writing and feeding.
3. Structure of hip joint - s75011
- Hip flexion and adduction contracture.
- Femoral anteversion.
- Hip subluxation or dislocation.
- Acetabular dysplasia.
- Pelvic obliquity.
- Clinical reasoning: Increased hip-adductor and flexor tone, weak hip abductors, and reduced weight bearing may lead to progressive hip displacement. It can cause pain, difficulty sitting, hygiene problems and difficulty during transfers.
4. Structure of knee joint - s75021
- Knee flexion contracture.
- Hamstring shortening.
- Patella alta.
- Rotational deformity around the knee.
- Clinical reasoning: Persistent crouched posture and hamstring overactivity may produce fixed knee flexion. This increases energy use during walking and reduces standing and walking stability.
5. Structure of ankle and foot - s75023
- Equinus deformity: persistent plantar flexion or toe walking.
- Equinovarus foot.
- Planovalgus foot.
- Calcaneovalgus deformity.
- Fixed foot contractures.
- Clinical reasoning: Calf muscle shortening and muscle imbalance alter foot position. It may reduce balance, prevent heel strike, affect foot clearance and make shoe or orthosis use difficult.
6. Structure of lower extremities - s750
- Femoral torsion.
- Tibial torsion.
- Leg-length discrepancy.
- Reduced muscle bulk.
- Fixed contractures around hip, knee and ankle.
- Clinical reasoning: Abnormal loading, growth and muscle imbalance can cause rotational and alignment changes. These affect gait pattern, standing, transfers and endurance.
7. Structure of trunk - s760
- Scoliosis.
- Kyphosis or lordosis.
- Pelvic asymmetry/obliquity.
- Trunk deformity due to asymmetric posture.
- Clinical reasoning: Poor trunk control, prolonged asymmetric sitting, hip displacement and abnormal tone can contribute to spinal deformity. This may affect sitting balance, breathing, comfort and care.
8. Muscle-tendon structures - s770
- Shortened muscles and tendons.
- Muscle contractures.
- Altered muscle architecture.
- Reduced muscle mass.
- Clinical reasoning: Muscles may not grow at the same rate as bones. This muscle-bone growth mismatch produces contractures and progressively reduced joint range of motion.
9. Bone structure - s770
- Reduced bone mineral density.
- Osteopenia or osteoporosis.
- Increased fracture risk.
- Clinical reasoning: Limited walking and weight bearing, reduced nutrition, anticonvulsant use, and low sunlight exposure may reduce bone strength, particularly in non-ambulant children.
10. Skin structure - s810
- Pressure areas over bony prominences.
- Skin irritation from orthoses.
- Calluses due to abnormal foot loading.
- Clinical reasoning: Immobility, poor seating, scoliosis, deformity and poorly fitted orthoses can cause skin breakdown. Check heels, sacrum, ischial areas and orthosis contact points.
11. Structures of mouth and pharynx - s320, s330
- Dental malocclusion.
- Orofacial asymmetry.
- Altered oral structures associated with poor oral-motor control.
- Clinical reasoning: These may contribute to feeding difficulty, poor chewing, drooling, speech difficulties and oral hygiene problems.
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